It's 3 people per realm, not cross realm zone, so it's now 156 people per realm per year.
I like Herald of the Titans and Hand of Adal and Champion of the Naaru. Not only because you can't get them anymore, but compared to so many titles, they actually sound quite badass.
The Insane too, though I wish they'd have given a title to the Shendralar feat of strength, that would be nice
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So true, I'm always curious when I see someone else with it. I got mine in 2010 (ICC patch I think, nothing super special), then check people and see they all got it in 2012